[openstack-dev] [Fuel] Task Based Deployment Is at Least Twice Faster

Alexey Shtokolov ashtokolov at mirantis.com
Mon Feb 15 16:36:47 UTC 2016


Fuelers,

Task based deployment engine has been enabled in master (Fuel 9.0) by
default [0]

[0] - https://review.openstack.org/#/c/273693/

WBR, Alexey Shtokolov

2016-02-09 21:57 GMT+03:00 Vladimir Kuklin <vkuklin at mirantis.com>:

> Folks
>
> It seems that docker removal spoilt our celebration a bit. Here is a bug
> link https://bugs.launchpad.net/fuel/+bug/1543720 . Fix is trivial, but
> will postpone swarm run for another day. Nevertheless, it seems to be the
> only issue affecting our ability to use TBD.
>
> Stay tuned!
>
> On Tue, Feb 9, 2016 at 2:26 PM, Igor Kalnitsky <ikalnitsky at mirantis.com>
> wrote:
>
>> > I've run BVT more than 100 times, it works,
>>
>> You run it some time ago. There were a lot of opportunities to
>> introduce regression in both Nailgun and tasks of Fuel Library. ;)
>>
>> > We are going to run a swarm test today against the ISO with enabled
>> task-based deployment
>>
>> So there will be a custom ISO, correct? If so, it works for me and
>> I'll wait for its result.
>>
>> On Tue, Feb 9, 2016 at 1:17 PM, Alexey Shtokolov
>> <ashtokolov at mirantis.com> wrote:
>> > Igor,
>> >
>> > We are going to run a swarm test today against the ISO with enabled
>> > task-based deployment, than check results and merge changes tomorrow.
>> > I've run BVT more than 100 times, it works, but I would like to check
>> more
>> > deployment cases.
>> > And I guess it should be easy to troubleshoot if docker-related and
>> > task-based related changes will be separated by a few days.
>> >
>> > 2016-02-09 13:39 GMT+03:00 Igor Kalnitsky <ikalnitsky at mirantis.com>:
>> >>
>> >> Well, I'm going to build a new ISO and run BVT. As soon as they are
>> >> green, I'm going to approve the change.
>> >>
>> >> On Tue, Feb 9, 2016 at 12:32 PM, Bogdan Dobrelya <
>> bdobrelia at mirantis.com>
>> >> wrote:
>> >> > On 08.02.2016 17:05, Igor Kalnitsky wrote:
>> >> >> Hey Fuelers,
>> >> >>
>> >> >> When we are going to enable it? I think since HCF is passed for
>> >> >> stable/8.0, it's time to enable task-based deployment for master
>> >> >> branch.
>> >> >>
>> >> >> Opinion?
>> >> >
>> >> > This must be done for the 9.0, IMHO.
>> >> >
>> >> >>
>> >> >> - Igor
>> >> >>
>> >> >> On Wed, Feb 3, 2016 at 12:31 PM, Bogdan Dobrelya
>> >> >> <bdobrelia at mirantis.com> wrote:
>> >> >>> On 02.02.2016 17:35, Alexey Shtokolov wrote:
>> >> >>>> Hi Fuelers!
>> >> >>>>
>> >> >>>> As you may be aware, since [0] Fuel has implemented a new
>> >> >>>> orchestration
>> >> >>>> engine [1]
>> >> >>>> We switched the deployment paradigm from role-based (aka
>> granular) to
>> >> >>>> task-based and now Fuel can deploy all nodes simultaneously using
>> >> >>>> cross-node dependencies between deployment tasks.
>> >> >>>
>> >> >>> That is great news! Please do not forget about docs updates as
>> well.
>> >> >>> Those docs are always forgotten like poor orphans... I submitted a
>> >> >>> patch
>> >> >>> [0] to MOS docs, please review and add more details, if possible,
>> for
>> >> >>> plugins impact as well.
>> >> >>>
>> >> >>> [0] https://review.fuel-infra.org/#/c/16509/
>> >> >>>
>> >> >>>>
>> >> >>>> This feature is experimental in Fuel 8.0 and will be enabled by
>> >> >>>> default
>> >> >>>> for Fuel 9.0
>> >> >>>>
>> >> >>>> Allow me to show you the results. We made some benchmarks on our
>> bare
>> >> >>>> metal lab [2]
>> >> >>>>
>> >> >>>> Case #1. 3 controllers + 7 computes w/ ceph.
>> >> >>>> Task-based deployment takes *~38* minutes vs *~1h15m* for granular
>> >> >>>> (*~2*
>> >> >>>> times faster)
>> >> >>>> Here and below the deployment time is average time for 10 runs
>> >> >>>>
>> >> >>>> Case #2. 3 controllers + 3 mongodb + 4 computes w/ ceph.
>> >> >>>> Task-based deployment takes *~41* minutes vs *~1h32m* for granular
>> >> >>>> (*~2.24* times faster)
>> >> >>>>
>> >> >>>>
>> >> >>>>
>> >> >>>> Also we took measurements for Fuel CI test cases. Standard BVT
>> >> >>>> (Master
>> >> >>>> node + 3 controllers + 3 computes w/ ceph. All are in qemu VMs on
>> one
>> >> >>>> host)
>> >> >>>>
>> >> >>>> Fuel CI slaves with *4 *cores *~1.1* times faster
>> >> >>>> In case of 4 cores for 7 VMs they are fighting for CPU resources
>> and
>> >> >>>> it
>> >> >>>> marginalizes the gain of task-based deployment
>> >> >>>>
>> >> >>>> Fuel CI slaves with *6* cores *~1.6* times faster
>> >> >>>>
>> >> >>>> Fuel CI slaves with *12* cores *~1.7* times faster
>> >> >>>
>> >> >>> These are really outstanding results!
>> >> >>> (tl;dr)
>> >> >>> I believe the next step may be to leverage the "external install &
>> svc
>> >> >>> management" feature (example [1]) of the Liberty release (7.0.0) of
>> >> >>> Puppet-Openstack (PO) modules. So we could use separate concurrent
>> >> >>> cross-depends based tasks *within a single node* as well, like:
>> >> >>> - task: install_all_packages - a singleton task for a node,
>> >> >>> - task: [configure_x, for each x] - concurrent for a node,
>> >> >>> - task: [manage_service_x, for each x] - some may be concurrent
>> for a
>> >> >>> node, while another shall be serialized.
>> >> >>>
>> >> >>> So, one might use the "--tags" separator for concurrent puppet
>> runs to
>> >> >>> make things go even faster, for example:
>> >> >>>
>> >> >>> # cat test.pp
>> >> >>> notify
>> >> >>> {"A": tag => "a" }
>> >> >>> notify
>> >> >>> {"B": tag => "b" }
>> >> >>>
>> >> >>> # puppet apply test.pp
>> >> >>> Notice: A
>> >> >>> Notice: /Stage[main]/Main/Notify[A]/message: defined 'message' as
>> 'A'
>> >> >>> Notice: B
>> >> >>> Notice: /Stage[main]/Main/Notify[B]/message: defined 'message' as
>> 'B'
>> >> >>>
>> >> >>> # puppet apply test.pp --tags a
>> >> >>> Notice: A
>> >> >>> Notice: /Stage[main]/Main/Notify[A]/message: defined 'message' as
>> 'A'
>> >> >>>
>> >> >>> # puppet apply test.pp --tags a & puppet apply test.pp --tags b
>> >> >>> Notice: B
>> >> >>> Notice: /Stage[main]/Main/Notify[B]/message: defined 'message' as
>> 'B'
>> >> >>> Notice: A
>> >> >>> Notice: /Stage[main]/Main/Notify[A]/message: defined 'message' as
>> 'A'
>> >> >>>
>> >> >>> Which is supposed to be faster, although not for this example.
>> >> >>>
>> >> >>> [1] https://review.openstack.org/#/c/216926/3/manifests/init.pp
>> >> >>>
>> >> >>>>
>> >> >>>> You can see additional information and charts in the presentation
>> >> >>>> [3].
>> >> >>>>
>> >> >>>> [0]
>> >> >>>> -
>> >> >>>>
>> http://lists.openstack.org/pipermail/openstack-dev/2015-December/082093.html
>> >> >>>> [1]
>> >> >>>> -
>> >> >>>>
>> https://specs.openstack.org/openstack/fuel-specs/specs/8.0/task-based-deployment-mvp.html
>> >> >>>> [2] -  3 x HP ProLiant DL360p Gen8 (XeonE5 6 cores/64GB/SSD)  + 7
>> x
>> >> >>>> HP
>> >> >>>> ProLiant DL320p Gen8 (XeonE3 4 cores/8-16GB/HDD)
>> >> >>>> [3] -
>> >> >>>>
>> >> >>>>
>> https://docs.google.com/presentation/d/1jZCFZlXHs_VhjtVYS2VuWgdxge5Q6sOMLz4bRLuw7YE
>> >> >>>>
>> >> >>>> ---
>> >> >>>> WBR, Alexey Shtokolov
>> >> >>>>
>> >> >>>>
>> >> >>>>
>> >> >>>>
>> __________________________________________________________________________
>> >> >>>> OpenStack Development Mailing List (not for usage questions)
>> >> >>>> Unsubscribe:
>> >> >>>> OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> >> >>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>> >> >>>>
>> >> >>>
>> >> >>>
>> >> >>> --
>> >> >>> Best regards,
>> >> >>> Bogdan Dobrelya,
>> >> >>> Irc #bogdando
>> >> >>>
>> >> >>>
>> >> >>>
>> __________________________________________________________________________
>> >> >>> OpenStack Development Mailing List (not for usage questions)
>> >> >>> Unsubscribe:
>> >> >>> OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
>> >> >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>> >> >>
>> >> >>
>> >> >>
>> __________________________________________________________________________
>> >> >> OpenStack Development Mailing List (not for usage questions)
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>> >> >>
>> >> >
>> >> >
>> >> > --
>> >> > Best regards,
>> >> > Bogdan Dobrelya,
>> >> > Irc #bogdando
>> >> >
>> >> >
>> >> >
>> __________________________________________________________________________
>> >> > OpenStack Development Mailing List (not for usage questions)
>> >> > Unsubscribe:
>> >> > OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
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>> >>
>> >>
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>> >
>> >
>> >
>> >
>> > --
>> > ---
>> > WBR, Alexey Shtokolov
>> >
>> >
>> __________________________________________________________________________
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>>
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>
>
>
> --
> Yours Faithfully,
> Vladimir Kuklin,
> Fuel Library Tech Lead,
> Mirantis, Inc.
> +7 (495) 640-49-04
> +7 (926) 702-39-68
> Skype kuklinvv
> 35bk3, Vorontsovskaya Str.
> Moscow, Russia,
> www.mirantis.com <http://www.mirantis.ru/>
> www.mirantis.ru
> vkuklin at mirantis.com
>
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>


-- 
---
WBR, Alexey Shtokolov
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